Features and benefits Bluetooth 5.3 chip for smoother transmission Provides more stable wireless connection and lower latency for a reliable listening and recording experience. Bluetooth and card insertable dualmode switching Quickly switch between Bluetooth playback and cardbased media (card insertable mode) to suit different scenarios without repairing. Adaptive sound recording and noise reduction An intelligent algorithm that actively detects human voices based on the scene, reduces ambient noise, and suppresses impurities to improve recording clarity. Allinone experience: headphones, MP3 player, and recording device The product offers not only Bluetooth headphones functionality but also MP3 playback and recording capability, delivering multiple uses in a single device. Key attributes Function: wireless listening, local media playback, and quality voice recording Compatibility: supports Bluetooth 5.3 connectivity and card insertable media for flexible playback Performance: sceneaware voice detection and noise suppression to enhance voice clarity in recordings Versatility: combines headphone, MP3 player, and recording device into one unit Use scenarios Field interviews or onsite recordings Use the voicedetection and noise reduction to capture clear speech in noisy environments, improving interview quality. Commuting, workouts, or casual listening Enjoy smooth Bluetooth playback with minimal dropouts, and switch to recording mode when quick audio capture is needed without changing devices. Travel and everyday media management Use as an MP3 player for offline music and as a recording device when you need to preserve notes, lectures, or ideas, all from a single device.